Difference between
the Cancerous cells and normal cells:
- Cancer cells develop out of normal body
cells and tissues.Over a period of years,damage to
the DNA of healthy cells disrupts their orderly growth, leading to
the formation of malignant tumors.
- The cell cycle, the process by which cells progress and divide,
lies at the heart of cancer. In normal cells,the
cell cycle is controlled by a complex series of signaling
pathways by which a cell grows, replicates its DNA and
divides.
- Whereas in the cancerous cells the cell cycle
is out of control and the cells divide rapidly and
continuously.
- Cancer is an unchecked cell growth. Mutations in genes can
cause cancer by accelerating cell division rates or inhibiting
normal controls on the system, such as cell cycle arrest or
programmed cell death.